Zac Efron received a star on Hollywood Boulevardj yesterday. Some of Efron's "High School Musical” family were there, with director Kenny Ortega and producer Bill Borden in the audience. "You guys were both instrumental in giving me my start in 'High School Musical.' And for that, I'm just eternally, eternally grateful. You have no idea. I still think about it every day," Efron said in a speech ahead of his star's unveiling. He joked, "I sing the songs in the shower. Go Wildcats."